We are sorry for the delay with this reply. To fix the expanding behavior of the outer header cells, please update the source code for the CExtGridCell::OnInitExpandWnd() method:
bool CExtGridCell::OnInitExpandWnd(
CExtGridWnd & wndGrid,
const CExtGridHitTestInfo & htInfo,
CExtContentExpandWnd & wndContentExpand,
const RECT & rcExpand,
INT nSizeOfExpandShadow
)
{
ASSERT_VALID( this );
ASSERT_VALID( (&wndGrid) );
ASSERT( ! htInfo.IsHoverEmpty() );
ASSERT( htInfo.IsValidRect() );
ASSERT( nSizeOfExpandShadow >= 0 );
rcExpand;
if( (GetStyleEx()&__EGCS_EX_UNDEFINED_ROLE) != 0
|| IsEmpty()
)
return false;
if( wndGrid.GetSafeInplaceActiveHwnd() != NULL )
return false;
if( (htInfo.m_dwAreaFlags&__EGBWA_CELL_TEXT) == 0
|| htInfo.m_rcPart.IsRectEmpty()
)
return false;
INT nSizeOfDynamicShadow = 0;
if( wndContentExpand.m_ctrlShadow.IsAvailable() )
{
nSizeOfDynamicShadow = nSizeOfExpandShadow;
nSizeOfExpandShadow = 0;
}
CRect rcExpandInit( 0, 0, 0, 0 );
{ // block for CDC
CClientDC dc( (CWnd*)&wndGrid );
INT nColType = htInfo.GetInnerOuterTypeOfColumn();
INT nRowType = htInfo.GetInnerOuterTypeOfRow();
CSize sizeCellMeasured =
MeasureCell(
&wndGrid,
dc,
htInfo.m_nVisibleColNo,
htInfo.m_nVisibleRowNo,
htInfo.m_nColNo,
htInfo.m_nRowNo,
nColType,
nRowType
);
CSize sizeCellReal = htInfo.m_rcItem.Size();
if( sizeCellReal.cx >= sizeCellMeasured.cx
&& sizeCellReal.cy >= sizeCellMeasured.cy
)
return false;
CSize sizeReqiredForText =
OnMeasureTextSize(
wndGrid,
dc,
htInfo.m_nVisibleColNo,
htInfo.m_nVisibleRowNo,
htInfo.m_nColNo,
htInfo.m_nRowNo,
nColType,
nRowType,
htInfo.m_rcExtra,
htInfo.m_rcItem,
htInfo.m_rcPart,
htInfo.m_dwAreaFlags
);
CSize sizeCellText = htInfo.m_rcPart.Size();
UINT nDrawTextFlagsReal =
OnQueryDrawTextFlags(
htInfo.m_nVisibleColNo,
htInfo.m_nVisibleRowNo,
htInfo.m_nColNo,
htInfo.m_nRowNo,
nColType,
nRowType,
htInfo.m_dwAreaFlags,
0
);
if( (nDrawTextFlagsReal&DT_RIGHT) != 0 )
{
rcExpandInit.SetRect(
htInfo.m_rcPart.right - sizeReqiredForText.cx,
htInfo.m_rcPart.top,
htInfo.m_rcPart.right,
htInfo.m_rcPart.top + sizeReqiredForText.cy
);
} // if( (nDrawTextFlagsReal&DT_RIGHT) != 0 )
else
{
rcExpandInit.SetRect(
htInfo.m_rcPart.left,
htInfo.m_rcPart.top,
htInfo.m_rcPart.left + sizeReqiredForText.cx,
htInfo.m_rcPart.top + sizeReqiredForText.cy
);
if( (nDrawTextFlagsReal&DT_CENTER) != 0 )
{
rcExpandInit.OffsetRect(
( htInfo.m_rcPart.Width() - rcExpandInit.Width() ) / 2,
0
);
} // if( (nDrawTextFlagsReal&DT_CENTER) != 0 )
} // else from if( (nDrawTextFlagsReal&DT_RIGHT) != 0 )
if( (nDrawTextFlagsReal&DT_BOTTOM) != 0 )
{
rcExpandInit.OffsetRect(
0,
( htInfo.m_rcPart.Height() - rcExpandInit.Height() )
);
} // if( (nDrawTextFlagsReal&DT_BOTTOM) != 0 )
else if( (nDrawTextFlagsReal&DT_VCENTER) != 0 )
{
rcExpandInit.OffsetRect(
0,
( htInfo.m_rcPart.Height() - rcExpandInit.Height() ) / 2
);
} // else if( (nDrawTextFlagsReal&DT_VCENTER) != 0 )
if( sizeCellText.cx >= sizeReqiredForText.cx
&& sizeCellText.cy >= sizeReqiredForText.cy
)
{
CRect rcClient = wndGrid.OnSwGetClientRect();
if( rcExpandInit.bottom <= rcClient.bottom
&& rcExpandInit.top >= rcClient.top
&& rcExpandInit.right <= rcClient.right
&& rcExpandInit.left >= rcClient.left
)
return false;
}
// rcExpandInit.SetRect(
// htInfo.m_rcPart.left,
// rcExpand.top,
// htInfo.m_rcPart.left + sizeReqiredForText.cx,
// rcExpand.bottom
// );
// if( rcExpandInit.Height() < sizeReqiredForText.cy )
// rcExpandInit.bottom = rcExpandInit.top + sizeReqiredForText.cy;
rcExpandInit.InflateRect(
__EXT_EXPANDED_TEXT_GAP_X,
__EXT_EXPANDED_TEXT_GAP_Y
);
rcExpandInit.InflateRect(
0,
0,
nSizeOfExpandShadow,
nSizeOfExpandShadow
);
wndGrid.ClientToScreen( &rcExpandInit );
rcExpandInit =
CExtPaintManager::stat_AlignWndRectToMonitor(
rcExpandInit,
false,
true
);
wndGrid.ScreenToClient( &rcExpandInit );
} // block for CDC
ASSERT( !rcExpandInit.IsRectEmpty() );
bool bRetVal =
wndContentExpand.Activate(
rcExpandInit,
&wndGrid,
__ECWAF_DEF_EXPANDED_ITEM_PAINTER
|__ECWAF_DRAW_SOURCE
|__ECWAF_NO_CAPTURE
|__ECWAF_REDIRECT_MOUSE
|__ECWAF_REDIRECT_NO_DEACTIVATE
|__ECWAF_REDIRECT_AND_HANDLE
|__ECWAF_HANDLE_MOUSE_ACTIVATE
|__ECWAF_MA_NOACTIVATE
);
if( nSizeOfDynamicShadow && wndContentExpand.GetSafeHwnd() != NULL )
wndContentExpand.m_ctrlShadow.Create( wndContentExpand.m_hWnd, nSizeOfDynamicShadow );
return bRetVal;
}Thank you.